D21m System
D21m Modules 6-43Date printed: 25.09.07
LEDs: LOCK On if a valid signal is available at the input that is locked to the system
clock.
DIP Switches: S1
Switch Setting
1
OFF: Standard mode, 96 channels on each HD IN (factory default)
ON: Performa mode, 48 channels on each HD IN
2
OFF: Control data is passed from HD link to RS422 port (factory default);
controller connected to backplane, for use with merger
ON: Control data is passed from HD link to controller; RS422 port inactive
3
4
reserved (factory default: OFF)
S2
1 2 3 4 5 6 7 8 Setting
OFF OFF OFF OFF ON ON ON ON
RS422 controller pinout (factory default)
ON ON ON ON OFF OFF OFF OFF
RS422 device pinout
NO OTHER SETTINGS ALLOWED!
Connector Pin Assignments: HD LINK (8-pin RJ45)
Pin Signal (Input) Signal (Output)
1 Rx 0 + Tx 0 +
2 Rx 0 – Tx 0 –
3 Rx 1 + Tx 1 +
4 Rx Clk + Tx Clk +
5 Rx Clk – Tx Clk –
6 Rx 1 – Tx 1 –
7 Rx 2 + Tx 2 +
8 Rx 2 – Tx 2 –
RS422 (9-pin D-type, female)
Pin RS422 Controller RS422 Device
1 Chassis Chassis
2 RxD – TxD –
3 TxD + RxD +
4 GND GND
5 n.c. n.c.
6 GND GND
7 RxD + TxD +
8 TxD – RxD –
9 Chassis Chassis
1
8
Socket View
S1
4321
ON
Default Setting:
S2
43218765
ON
Default Setting:
1
5
9
6
Solder/Crimp View
(or Socket View)